Astrum Laptop Replacement Battery AS09C71. Features an 11.1V output, 4400mAh capacity, and 6-cell lithium-ion architecture for compatible Acer notebooks.
Power your mobile productivity with the Astrum AS09C71 premium replacement laptop battery, engineered specifically for the Acer Aspire 5635 series. Designed to serve as a direct replacement for degrading, non-charging, or dead internal power packs, this high-performance battery restores your machine's unplugged operational runtime back to factory standards.
Constructed using premium, reliable lithium-ion cells, this 6-cell battery outputs a stable 11.1V while sustaining a dense 4400mAh capacity for everyday office apps, web browsing, and remote data tasks. Built with embedded circuit protection mechanics to shield against overcharging and short circuits, it arrives safely protected in standard retail box packaging. Every unit includes an official Astrum 1-Year Warranty for comprehensive technical backup and complete peace of mind.
Key Features
- Premium 6-cell Lithium-Ion configuration
- Direct physical and electrical engineering fit
- Integrated overcharge protection circuitry
- Stable voltage throughput under system load
- Certified high-density energy cells
- Shipped in secure protective retail box
Technical Specifications
| Specification | Details |
|---|
| Brand | Astrum |
| SKU / Part Number | ABT-AC5635 |
| Product Type | Laptop Replacement Battery |
| Battery Chemistry | Lithium-Ion (Li-ion) |
| Cell Count | 6-Cell Architecture |
| Voltage Output | 11.1V (Compatible with 10.8V) |
| Capacity | 4400mAh / 49Wh |
| Color | Black |
| Manufacturer Warranty | Astrum 1-Year Warranty |
Compatible Part Numbers
- AS09C71
- AS09C31
- AS09C70
- AS09C75
- BT.00607.090
Compatible Models
- Acer Aspire 5635
- Acer Aspire 5635G
- Acer Aspire 5635Z
- Acer Aspire 5635ZR
- Acer Extensa 5235
- Acer Extensa 5635
- Acer Extensa 5635Z
Package Contents
- 1 × Astrum ABT-AC5635 Replacement Laptop Battery
- 1 × Anti-Static Protective Wrap
- 1 × Technical User Instruction Manual
